Routing Table Report 08:00 +10GMT Fri 24 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 448080
Prefixes after maximum aggregation: 183393
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224385
Total ASes present in the Internet Routing Table: 40352
Prefixes per ASN: 11.10
Origin-only ASes present in the Internet Routing Table: 34668
Origin ASes announcing only one prefix: 16149
Transit ASes present in the Internet Routing Table: 5676
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 62
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 803
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4773
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10409
Special use prefixes present in the Routing Table: 32
Prefixes being announced from unallocated address space: 250
Number of addresses announced to Internet: 2639890688
Equivalent to 157 /8s, 89 /16s and 137 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 156379
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103437
Total APNIC prefixes after maximum aggregation: 32053
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 105458
Unique aggregates announced from the APNIC address blocks: 44742
APNIC Region origin ASes present in the Internet Routing Table: 4796
APNIC Prefixes per ASN: 21.99
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 789
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 721365760
Equivalent to 42 /8s, 255 /16s and 43 /24s
Percentage of available APNIC address space announced: 84.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 158136
Total ARIN prefixes after maximum aggregation: 79857
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158740
Unique aggregates announced from the ARIN address blocks: 73184
ARIN Region origin ASes present in the Internet Routing Table: 15649
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5986
ARIN Region transit ASes present in the Internet Routing Table: 1579
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1063485952
Equivalent to 63 /8s, 99 /16s and 130 /24s
Percentage of available ARIN address space announced: 56.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 117417
Total RIPE prefixes after maximum aggregation: 59787
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120998
Unique aggregates announced from the RIPE address blocks: 78021
RIPE Region origin ASes present in the Internet Routing Table: 17180
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2766
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 62
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656496128
Equivalent to 39 /8s, 33 /16s and 86 /24s
Percentage of available RIPE address space announced: 95.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 47095
Total LACNIC prefixes after maximum aggregation: 9169
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51206
Unique aggregates announced from the LACNIC address blocks: 24367
LACNIC Region origin ASes present in the Internet Routing Table: 1925
LACNIC Prefixes per ASN: 26.60
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 346
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 129523712
Equivalent to 7 /8s, 184 /16s and 96 /24s
Percentage of available LACNIC address space announced: 77.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10849
Total AfriNIC prefixes after maximum aggregation: 2486
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 11427
Unique aggregates announced from the AfriNIC address blocks: 3836
AfriNIC Region origin ASes present in the Internet Routing Table: 632
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 47498240
Equivalent to 2 /8s, 212 /16s and 196 /24s
Percentage of available AfriNIC address space announced: 47.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17974 2513 838 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7545 1978 320 109 TPG Internet Pty Ltd
4755 1709 390 190 TATA Communications formerly
9829 1500 1205 40 National Internet Backbone
9583 1217 91 505 Sify Limited
7552 1156 1064 12 Vietel Corporation
9498 1112 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
4808 1047 2006 302 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3018 3693 79 BellSouth.net Inc.
7029 2083 1265 211 Windstream Communications Inc
18566 2063 381 182 Covad Communications Co.
1785 1990 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications Inc.
20115 1670 1609 611 Charter Communications
4323 1616 1154 399 tw telecom holdings, inc.
30036 1324 295 651 Mediacom Communications Corp
7018 1315 11107 848 AT&T Services, Inc.
11492 1232 220 343 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1781 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1197 237 222 BILISIM TELEKOM
20940 841 296 662 Akamai Technologies European
13188 822 98 73 Ukraine
8551 816 370 43 Bezeq International
31148 794 39 23 FreeNet ISP
6830 771 2376 444 UPC Broadband
34744 683 173 56 SC GVM SISTEM 2003 SRL
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2766 1537 114 Types of queries are: POCs, o
10620 2626 412 228 Types of queries are: POCs, o
7303 1726 1154 224 Telecom Argentina S.A.
8151 1245 2706 394 Uninet S.A. de C.V.
6503 925 435 70 Axtel, S.A.B. de C.V.
18881 918 780 19 Global Village Telecom
27947 811 89 103 Telconet S.A
3816 710 307 87 Types of queries are: POCs, o
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 611 103 66 Alestra, S. de R.L. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1189 80 4 MOBITEL
24863 886 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 443 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3018 3693 79 BellSouth.net Inc.
28573 2766 1537 114 Types of queries are: POCs, o
10620 2626 412 228 Types of queries are: POCs, o
17974 2513 838 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7029 2083 1265 211 Windstream Communications Inc
18566 2063 381 182 Covad Communications Co.
1785 1990 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications Inc.
7545 1978 320 109 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2766 2652 Types of queries are: POCs, o
17974 2513 2423 PT Telekomunikasi Indonesia
10620 2626 2398 Types of queries are: POCs, o
18566 2063 1881 Covad Communications Co.
7029 2083 1872 Windstream Communications Inc
7545 1978 1869 TPG Internet Pty Ltd
1785 1990 1866 PaeTec Communications, Inc.
22773 1979 1854 Cox Communications Inc.
8402 1781 1765 Corbina telecom
4755 1709 1519 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65101 PRIVATE 5.16.192.0/19 41733 JSC "Z-Telecom"
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7018 AT&T Services, Inc.
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:13 /10:31 /11:88 /12:250
/13:481 /14:889 /15:1576 /16:12644 /17:6656 /18:11098
/19:22155 /20:31971 /21:34025 /22:46867 /23:41893 /24:236807
/25:9 /26:11 /27:12 /28:135 /29:207 /30:110
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
6389 1733 3018 BellSouth.net Inc.
7029 1569 2083 Windstream Communications Inc
8402 1475 1781 Corbina telecom
22773 1287 1979 Cox Communications Inc.
30036 1194 1324 Mediacom Communications Corp
11492 1193 1232 CABLE ONE, INC.
36998 1183 1189 MOBITEL
1785 1062 1990 PaeTec Communications, Inc.
6983 1008 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:759 2:796 3:3 4:12 5:887 6:8
8:548 12:1929 13:3 14:801 15:11 16:3
17:9 20:17 23:272 24:1763 27:1467 31:1303
32:38 33:2 34:5 36:28 37:1868 38:870
39:2 40:172 41:2768 42:188 44:6 46:1900
47:2 49:588 50:699 52:12 54:33 55:8
57:29 58:1073 59:568 60:308 61:1385 62:1122
63:2028 64:4331 65:2175 66:4361 67:2059 68:1129
69:3268 70:880 71:533 72:1919 74:2562 75:415
76:307 77:1078 78:1045 79:590 80:1264 81:991
82:631 83:570 84:531 85:1164 86:460 87:983
88:538 89:1767 90:144 91:5479 92:593 93:1690
94:1839 95:1533 96:512 97:344 98:1051 99:38
100:29 101:327 103:2605 105:519 106:91 107:208
108:500 109:1824 110:879 111:1033 112:512 113:783
114:705 115:940 116:901 117:784 118:1071 119:1247
120:399 121:709 122:1754 123:1221 124:1320 125:1349
128:610 129:197 130:310 131:639 132:306 133:149
134:258 135:66 136:220 137:257 138:344 139:193
140:181 141:315 142:526 143:368 144:479 145:93
146:506 147:384 148:670 149:373 150:150 151:571
152:415 153:199 154:42 155:394 156:261 157:350
158:278 159:645 160:338 161:406 162:435 163:199
164:591 165:490 166:294 167:589 168:1026 169:128
170:1026 171:180 172:21 173:1666 174:584 175:472
176:1093 177:1998 178:1870 179:8 180:1431 181:401
182:1187 183:381 184:672 185:460 186:2258 187:1298
188:2129 189:1320 190:6252 192:6578 193:5867 194:4590
195:3424 196:1367 197:912 198:4385 199:5279 200:5890
201:2243 202:8704 203:8761 204:4417 205:2552 206:2751
207:2825 208:4047 209:3621 210:2847 211:1506 212:2246
213:1939 214:901 215:98 216:5230 217:1608 218:602
219:314 220:1256 221:558 222:316 223:444
End of report